Elastic coupling with irregular inner ring

Abstract

The utility model relates to the technical field of couplings, and discloses an elastic coupling with an irregular inner ring, which comprises an elastic outer ring, the inner side of the elastic outer ring is fixedly connected with a triangular inner ring, the left side and the right side of the elastic outer ring are fixedly connected with cushions, the left side and the right side of the elastic outer ring are fixedly connected with two positioning pins, and the triangular inner ring is fixedly connected with the triangular inner ring. A driven connecting disc is arranged on the right side of the buffer pad on the right side, two first positioning holes are formed in the left side of the driven connecting disc, the right end of the positioning pin on the right side is clamped with the inner wall of the corresponding first positioning hole, and a first fixing block is fixedly connected to the left end of the top of the driven connecting disc. The elastic outer ring can effectively buffer impact and vibration borne by the triangular inner ring, the accuracy and consistency of installation can be guaranteed by conducting preliminary fixing through the positioning pin, then the threaded rod is in threaded connection with the hollow threaded cylinder, the fixing effect is enhanced, assembly is facilitated, and meanwhile larger torque and axial force can be borne.

Description

TECHNICAL FIELD

[0001] The utility model relates to the coupling technical field especially relates to an elastic coupling of irregular inner ring. BACKGROUND

[0002] Couplings are used to firmly connect the driving shaft and driven shaft in different mechanisms to rotate together and transmit motion and torque, and sometimes are used to connect shafts with other parts. Couplings can compensate for the deviation between two shafts due to manufacturing and installation inaccuracies, deformation during operation and thermal expansion. With the continuous development of modern industry, the performance requirements of mechanical equipment are becoming higher and higher, and the coupling needs to better adapt to complex working conditions and higher technical requirements. In some high-precision processing equipment, automated production lines and aerospace fields, not only is it required that the coupling has good shock absorption performance to ensure the precision and stability of the equipment, but also it needs to have reliable overload protection function to quickly restore work without affecting production. At the same time, with the progress of material science and precision machining technology, it also provides technical support for the development of new couplings with more excellent performance. Under such background, an elastic coupling with irregular inner ring emerges as the times require, aiming to solve the shortcomings of traditional couplings in shock absorption and overload protection, etc. to meet the needs of modern mechanical transmission system for high-performance couplings.

[0003] The elastic coupling with irregular inner ring can adapt to the changes in the position and state of the shaft due to thermal expansion and stress deformation during equipment operation, maintain good connection and transmission performance, and improve the reliability and stability of the equipment. However, the loosening, wear and even damage of parts caused by vibration will increase the frequency of equipment failure and maintenance, and the inconvenience of disassembly will increase the maintenance cost of the equipment. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides an elastic coupling with irregular inner ring, aiming to improve the problem of loosening, wear and even damage of parts caused by vibration in the prior art, which will increase the frequency of equipment failure and maintenance, and the inconvenience of disassembly will increase the maintenance cost of the equipment.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of elastic coupling of irregular inner ring, including elastic outer ring, the inside of the elastic outer ring is fixedly connected with triangular inner ring, the left and right sides of the elastic outer ring are fixedly connected with buffer pad, the left and right sides of the elastic outer ring are fixedly connected with two positioning pins, the right side of the buffer pad is provided with driven connecting disc, two positioning holes one are opened in the left side of the driven connecting disc, the right end of the positioning pin of the right side is engaged with the inner wall of corresponding positioning hole one, fixed block one is fixedly connected at the top left end of the driven connecting disc, hollow screw cylinder is slidably connected in the middle of fixed block one, the left side of the buffer pad is provided with driving connecting disc, two positioning holes two are opened in the right side of the driving connecting disc, the left end of the positioning pin of the left side is engaged with the inner wall of corresponding positioning hole two, fixed block two is fixedly connected at the top right end of the driving connecting disc, threaded rod is fixedly connected in the middle of fixed block two, the right side outer wall of the threaded rod is meshed connection with the inner wall of hollow screw cylinder, protective mechanism is arranged outside the driving connecting disc, and the protective mechanism is used to improve the protection of coupling.

[0006] As further description of the above technical solution:

[0007] The protective mechanism includes a plurality of reinforcing ribs one, a plurality of the reinforcing ribs one are fixedly connected inside the driving connecting disc, a plurality of connecting rods one are fixedly connected between adjacent reinforcing ribs one, a plurality of reinforcing ribs two are fixedly connected inside the driven connecting disc, a plurality of connecting rods two are fixedly connected between adjacent reinforcing ribs two, a protective sleeve is fixedly connected to the front outer wall of the driving connecting disc, a zinc coating is fixedly connected to the outer wall of the protective sleeve, a metal protective cover is fixedly connected to the front outer wall of the driven connecting disc, and an epoxy resin coating is fixedly connected to the outer wall of the metal protective cover.

[0008] As further description of the above technical solution:

[0009] The left side of the threaded rod is fixedly connected with an anti-skid sleeve one, and the right side of the hollow screw cylinder is fixedly connected with an anti-skid sleeve two.

[0010] As further description of the above technical solution:

[0011] The top of the elastic outer ring is fixedly connected with a nameplate, and the left end of the driving connecting disc is fixedly connected with a check ring in the middle.

[0012] As further description of the above technical solution:

[0013] A plurality of positioning columns are fixedly connected to the left side of the driving connecting disc, and a sealing ring is fixedly connected to the edge near the left side of the driving connecting disc.

[0014] As further description of the above technical solution:

[0015] The front side of the driving connecting disc is fixedly connected with a limiting ring I near the edge, and the top of the limiting ring I is fixedly connected with a direction board I.

[0016] As a further description of the above technical solution:

[0017] The front side of the driving connecting disc is fixedly connected with a limiting ring I near the edge, and the top of the limiting ring I is fixedly connected with a direction board I.

[0018] As a further description of the above technical solution:

[0019] The front side of the zinc coating is fixedly connected with a label I, and the front side of the epoxy resin coating is fixedly connected with a label II.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、The utility model discloses, elastic outer ring can effectively buffer the impact and vibration that triangle inner ring received in the equipment operation process, and the buffer pad can further absorb and weaken the vibration produced when the equipment operates, improve the stability and reliability of equipment, and the accuracy and consistency of installation can be guaranteed through the primary fixation of the positioning pin, then the threaded rod is connected with the hollow threaded cylinder threadedly, the fixed effect is strengthened, the driven connecting disc and the driving connecting disc can be connected together, and greater torque and axial force can be borne.

[0022] 2、The utility model discloses, through the reinforcing rib one of driving connecting disc inner side and connecting rod one increase the overall strength and rigidity of connecting disc, can effectively disperse force, prevent the deformation and rupture of connecting disc, improve the carrying capacity of connecting disc, ensure stable operation under the working condition of high load and high speed, and the vibration and impact that the protection sleeve can buffer the connecting disc to a certain extent, reduce the influence of vibration on the internal structure of connecting disc, and the zinc coating of the outer wall of protection sleeve can effectively prevent the corrosion of protection sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a driving connecting disc front side perspective drawing of the elastic coupling of irregular inner circle that the utility model proposes;

[0024] Figure 2 It is a blocking ring display drawing of the elastic coupling of irregular inner circle that the utility model proposes;

[0025] Figure 3 It is a driven connecting disc split drawing of the elastic coupling of irregular inner circle that the utility model proposes;

[0026] Figure 4 It is a buffer pad split drawing of the elastic coupling of irregular inner circle that the utility model proposes;

[0027] Figure 5 A split drawing of a threaded rod of the elastic coupling with irregular inner ring is provided in the utility model;

[0028] Figure 6 A split drawing of a threaded rod of the elastic coupling with irregular inner ring is provided in the utility model;

[0029] Legend:

[0030] 1, elastic outer ring; 2, protection mechanism; 201, reinforcing rib one; 202, connecting rod one; 203, reinforcing rib two; 204, connecting rod two; 205, protective sleeve; 206, zinc coating; 207, metal protective cover; 208, epoxy resin coating; 3, triangular inner ring; 4, buffer pad; 5, positioning pin; 6, driven connecting disc; 7, positioning hole one; 8, fixed block one; 9, hollow threaded cylinder; 10, driving connecting disc; 11, positioning hole two; 12, fixed block two; 13, threaded rod; 14, anti-skid sleeve one; 15, anti-skid sleeve two; 16, nameplate; 17, check ring; 18, positioning column; 19, sealing ring; 20, direction board one; 21, direction board two; 22, label one; 23, label two; 24, limit ring one; 25, limit ring two. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Please refer to the drawings in the embodiments of the utility model Figure 4 - the drawings in the embodiments of the utility model Figure 6The utility model provides an embodiment: an elastic coupling of irregular inner ring, including elastic outer ring 1, the inside fixed connection of elastic outer ring 1 has triangle inner ring 3, the left and right sides of elastic outer ring 1 are all fixedly connected with two locating pins 5, the right side of right side buffer pad 4 is provided with driven connecting disc 6, two locating holes one 7 are seted up in the left side of driven connecting disc 6, the right end of right side locating pin 5 is engaged with the inner wall of corresponding locating hole one 7, and the top left end of driven connecting disc 6 is fixedly connected with fixed block one 8, and the middle part sliding connection of fixed block one 8 has hollow screw tube 9, the left side of left side buffer pad 4 is provided with driving connecting disc 10, and two locating holes two 11 are seted up in the right side of driving connecting disc 10, and the left end of left side locating pin 5 is engaged with the inner wall of corresponding locating hole two 11, and the top right end of driving connecting disc 10 is fixedly connected with fixed block two 12, and the middle part fixed connection of fixed block two 12 has threaded rod 13, and the right side outer wall of threaded rod 13 is engaged with the inner wall of hollow screw tube 9, and the outside of driving connecting disc 10 is provided with protection mechanism 2, and protection mechanism 2 is used to improve the protection of coupling;

[0033] Specifically, the elastic outer ring 1 is made of high-strength material, ensuring sufficient rigidity and durability, the triangular inner ring 3 on the inner side not only enhances the stability of the structure, but also provides additional support points for the coupling, thereby improving the overall carrying capacity, the buffer pads 4 are connected on the left and right sides of the elastic outer ring 1, which are made of materials with excellent elasticity and wear resistance, can effectively absorb vibration and impact, and protect the coupling from damage, in order to ensure the accurate alignment of the coupling during assembly and operation, we fixed two locating pins 5 on the left and right sides of the elastic outer ring 1, which are accurately matched with the locating holes one 7 and the locating holes two 11 on the driven connecting disc 6 and the driving connecting disc 10, ensuring the stable connection between the coupling components, the fixed block two 12 fixedly connected to the top right end of the driving connecting disc 10, the threaded rod 13 fixedly connected to the middle part, and the inner wall of the hollow screw tube 9 are engaged, so that the fixing effect of the coupling can be enhanced by rotating the threaded rod 13, thereby meeting the installation requirements.

[0034] Please refer to the attached Figure 1 - attached Figure 3The protection mechanism 2 comprises a plurality of reinforcing ribs 201, each of which is fixedly connected to the inner part of the driving connecting disc 10. Adjacent reinforcing ribs 201 are fixedly connected with a plurality of connecting rods 202. The inner part of the driven connecting disc 6 is fixedly connected with a plurality of reinforcing ribs 203. Adjacent reinforcing ribs 203 are fixedly connected with a plurality of connecting rods 204. The front outer wall of the driving connecting disc 10 is fixedly connected with a protective sleeve 205. The outer wall of the protective sleeve 205 is fixedly connected with a zinc coating 206. The front outer wall of the driven connecting disc 6 is fixedly connected with a metal protective cover 207. The outer wall of the metal protective cover 207 is fixedly connected with an epoxy resin coating 208.

[0035] Specifically, the reinforcing ribs 201 are fixedly connected to the inner part of the driving connecting disc 10 to ensure that the coupling can maintain optimal performance when subjected to torque and pressure. To further enhance the stability and strength of the structure, a plurality of connecting rods 202 are fixedly connected between adjacent reinforcing ribs 201, forming a solid network that ensures the reliability of the coupling during operation. A plurality of reinforcing ribs 203 are also fixedly connected to the inner part of the driven connecting disc 6, which can improve the load-bearing capacity of the driven end and ensure smooth and efficient power transmission. The connecting rods 204 work together with the reinforcing ribs 203 to form a solid support structure, making the entire coupling more stable during operation. To protect the driving connecting disc 10 from external environmental erosion, the front outer wall is fixedly connected with a protective sleeve 205, which not only provides physical protection for the coupling but also is fixedly connected with a zinc coating 206. This zinc coating 206 is an effective corrosion protection measure that can significantly extend the service life of the coupling. The epoxy resin coating 208 not only provides additional protection but also enhances the chemical resistance and wear resistance of the coupling, ensuring its performance in various harsh environments.

[0036] Please refer to the attached Figure 3 attached Figure 5 A limit ring 25 is fixedly connected to the front side of the driven connecting disc 6 near the edge. A direction sign 21 is fixedly connected to the top of the limit ring 25. A label 22 is fixedly connected to the front side of the zinc coating 206. A label 23 is fixedly connected to the front side of the epoxy resin coating 208. A non-slip sleeve 14 is fixedly connected to the left side of the threaded rod 13. A non-slip sleeve 15 is fixedly connected to the right side of the hollow threaded cylinder 9.

[0037] Specifically, the limiting ring two 25 prevents damage to the components due to excessive displacement and affects the normal operation of the coupling, the direction sign two 21 points to a specific direction to facilitate identification and use, the label one 22 is used to display product information and warning signs, the front side of the epoxy coating 208 is also fixedly connected with a label two 23, which is used to provide additional information and instructions, the anti-skid sleeve one 14 is used to improve the grip feeling and safety during operation, and the anti-skid sleeve two 15 also plays a role in enhancing grip and preventing slipping, ensuring stability and safety during operation.

[0038] Please refer to the attached Figure 1 - attached Figure 3 The left side of the driving disc 10 is fixedly connected with a plurality of positioning columns 18, the left side of the driving disc 10 is fixedly connected with a sealing ring 19 near the edge, the front side of the driving disc 10 is fixedly connected with a limiting ring one 24 near the edge, the top of the limiting ring one 24 is fixedly connected with a direction sign one 20, the top of the elastic outer ring 1 is fixedly connected with a nameplate 16, and the left end of the driving disc 10 is fixedly connected with a check ring 17.

[0039] Specifically, the positioning column 18 ensures the accurate alignment and stability of the components, the sealing ring 19 ensures the sealing performance of the system, the limiting ring one 24 limits the movement range of the components to ensure their operation within a specific area, the direction sign one 20 can provide directional indication to facilitate the identification of the correct installation direction of the components, the nameplate 16 contains the identification information of the product to facilitate the identification and tracking of product information, and the check ring 17 can prevent foreign matter from entering the coupling to improve its protection performance.

[0040] Working principle: the elastic outer ring 1 can effectively buffer the impact and vibration of the triangular inner ring 3 during equipment operation, reduce energy transmission caused by vibration, protect the connected components, and prolong the service life of the equipment. The buffer pad 4 arranged between the driven disc 6 and the driving disc 10 can further absorb and weaken the vibration generated during equipment operation, improve the stability and reliability of the equipment, reduce the damage of vibration to the connection part, the driven disc 6 and the driving disc 10 are preliminarily fixed by the positioning pin 5 to ensure the accuracy and consistency of installation and improve the installation efficiency, and then the threaded rod 13 is rotated to make the threaded rod 13 and the hollow threaded cylinder 9 screw connected to strengthen the fixing effect, which can provide strong axial tension, connect the driven disc 6 and the driving disc 10 together, bear greater torque and axial force, improve the reliability of the connection, and ensure that the connection will not loosen during high-speed operation and under heavy load;

[0041] The overall strength and rigidity of the driving connecting disc 10 is increased by the reinforcing rib 201 and the connecting rod 202 on the inner side of the connecting disc, which can effectively disperse the force, prevent the connecting disc from deforming and breaking, improve the carrying capacity of the connecting disc, ensure stable operation under high load and high speed working conditions, the reinforcing rib 203 and the connecting rod 204 on the inner side of the driven connecting disc 6 can also make the force on the connecting disc more uniform during operation, reduce stress concentration, help to reduce the risk of fatigue damage of the connecting disc due to excessive local stress, prolong the service life of the connecting disc, the protective sleeve 205 can buffer the vibration and impact received by the connecting disc to a certain extent, reduce the influence of vibration on the internal structure of the connecting disc, further improve the stability and reliability of the connecting disc, the zinc coating 206 on the outer wall of the protective sleeve 205 can effectively prevent air, moisture and other corrosive substances from contacting the protective sleeve 205, prevent the protective sleeve 205 from corroding, prolong the service life of the protective sleeve 205, the metal protective cover 207 can block external pollutants, ensure that the connecting disc and the protective sleeve 205 are in a relatively clean environment, which is conducive to their normal work and long-term use, the epoxy resin coating 208 on the outer side of the metal protective cover 207 can improve the hardness and wear resistance of the surface of the metal protective cover 207, reduce damage caused by friction, and keep the metal protective cover 207 in good protective performance during long-term use.

[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An elastic coupling with an irregular inner ring, comprising an elastic outer ring (1), characterized in that: The inner side of the elastic outer ring (1) is fixedly connected with a triangular inner ring (3), the left and right sides of the elastic outer ring (1) are fixedly connected with a buffer pad (4), the left and right sides of the elastic outer ring (1) are fixedly connected with two positioning pins (5), the right side of the buffer pad (4) is provided with a driven connecting disc (6), two positioning holes (7) are formed in the left side of the driven connecting disc (6), the right end of the right side positioning pin (5) is clamped with the inner wall of the corresponding positioning hole (7), a fixed block (8) is fixedly connected to the top left end of the driven connecting disc (6), a hollow threaded cylinder (9) is slidably connected to the middle of the fixed block (8), the left side of the left side buffer pad (4) is provided with a driving connecting disc (10), two positioning holes (11) are formed in the right side of the driving connecting disc (10), the left end of the left side positioning pin (5) is clamped with the inner wall of the corresponding positioning hole (11), a fixed block (12) is fixedly connected to the top right end of the driving connecting disc (10), a threaded rod (13) is fixedly connected to the middle of the fixed block (12), the right side outer wall of the threaded rod (13) is engagedly connected with the inner wall of the hollow threaded cylinder (9), a protection mechanism (2) is arranged on the outside of the driving connecting disc (10), and the protection mechanism (2) is used to improve the protection of the shaft coupling.

2. An elastomeric coupling having an irregular inner ring as claimed in claim 1, wherein: The protection mechanism (2) comprises a plurality of reinforcing ribs (201), a plurality of the reinforcing ribs (201) are fixedly connected inside the driving connecting disc (10), a plurality of connecting rods (202) are fixedly connected between adjacent reinforcing ribs (201), a plurality of reinforcing ribs (203) are fixedly connected inside the driven connecting disc (6), a plurality of connecting rods (204) are fixedly connected between adjacent reinforcing ribs (203), a protective sleeve (205) is fixedly connected to the front outer wall of the driving connecting disc (10), a zinc coating (206) is fixedly connected to the outer wall of the protective sleeve (205), a metal protective cover (207) is fixedly connected to the front outer wall of the driven connecting disc (6), and an epoxy resin coating (208) is fixedly connected to the outer wall of the metal protective cover (207).

3. An elastomeric coupling having an irregular inner ring as claimed in claim 1, wherein: The left side of the threaded rod (13) is fixedly connected with an anti-skid sleeve (14), and the right side of the hollow threaded cylinder (9) is fixedly connected with an anti-skid sleeve (15).

4. An elastomeric coupling having an irregular inner ring as defined in claim 1, wherein: The top of the elastic outer ring (1) is fixedly connected with a nameplate (16), and the left end of the driving connecting disc (10) is fixedly connected with a check ring (17).

5. An elastomeric coupling having an irregular inner ring as defined in claim 1, wherein: A plurality of positioning columns (18) are fixedly connected to the left side of the driving connecting disc (10), and a sealing ring (19) is fixedly connected to the left side of the driving connecting disc (10) near the edge.

6. An elastomeric coupling having an irregular inner ring as defined in claim 1, wherein: A limiting ring (24) is fixedly connected to the front side of the driving connecting disc (10) near the edge, and a direction plate (20) is fixedly connected to the top of the limiting ring (24).

7. An elastomeric coupling having an irregular inner ring as defined in claim 1, wherein: A limiting ring (25) is fixedly connected to the front side of the driven connecting disc (6) near the edge, and a direction plate (21) is fixedly connected to the top of the limiting ring (25).

8. An elastomeric coupling with an irregular inner ring as claimed in claim 2, wherein: The front side of the zinc coating (206) is fixedly connected with a label one (22), and the front side of the epoxy resin coating (208) is fixedly connected with a label two (23).

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